1. Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia.
2. Michigan Department of Community Health, Lansing, Michigan.
3. Center for Reproductive Medicine and Surgery, Birmingham, Michigan.
4. Massachusetts Department of Public Health, Boston, Massachusetts.
5. Florida Department of Health, Tallahassee, Florida.
6. Department of Community and Family Health, College of Public Health, University of South Florida, Tampa, Florida.